Doctor Who - Season 9, Episode 4 - Rotten Tomatoes

Before the Flood



Critic Consensus: Doctor Who provides a satisfying conclusion to the previous installment's cliffhanger with "Before the Flood," a playful and exciting episode.

Episode Info

Conclusion. An alien warlord begins a twisted plan that will ensure his own survival and drastically impact the universe.


Before the Flood Photos

Critic reviews for Before the Flood

A two-parter where both episodes are equally good and even feel like they belong together.

October 12, 2015 | Rating: A | Full Review…

It's a joy to watch, even when what just happened remains a bit of a head-scratcher, as it does in the very satisfying "Before the Flood."

October 12, 2015 | Full Review…
Top Critic

It's not too often that we get to see the Doctor peer at himself from around the corner (mercifully - it would get tired quickly), which invoked the warm familiarity of the sci-fi of yesteryear.

October 12, 2015 | Rating: 3/5 | Full Review…

The fact that [Cass] is a character with a disability played by an actress with that same disability is so important.

January 9, 2019 | Full Review…

The best episode of season 9 so far and one of the best of Capaldi's run.

June 19, 2018 | Full Review…

All in all, this was a creepy, scary two-parter that gained a lot of energy from the Doctor's palpable feeling of desperation.

May 18, 2018 | Full Review…

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